When redefining the same symbol in configuration (basically after an inclusion),
we need to undefine the previous symbol to avoid "redefined" errors.
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
echo "#ifndef __RTE_CONFIG_H"
echo "#define __RTE_CONFIG_H"
echo "#ifndef __RTE_CONFIG_H"
echo "#define __RTE_CONFIG_H"
-grep CONFIG_ $1 \
-| grep -v '^[ \t]*#' \
-| sed 's,CONFIG_\(.*\)=y.*$,#define \1 1,' \
-| sed 's,CONFIG_\(.*\)=n.*$,#undef \1,' \
-| sed 's,CONFIG_\(.*\)=\(.*\)$,#define \1 \2,' \
-| sed 's,\# CONFIG_\(.*\) is not set$,#undef \1,'
+grep CONFIG_ $1 |
+grep -v '^[ \t]*#' |
+sed 's,CONFIG_\(.*\)=y.*$,#undef \1\n#define \1 1,' |
+sed 's,CONFIG_\(.*\)=n.*$,#undef \1,' |
+sed 's,CONFIG_\(.*\)=\(.*\)$,#undef \1\n#define \1 \2,' |
+sed 's,\# CONFIG_\(.*\) is not set$,#undef \1,'
echo "#endif /* __RTE_CONFIG_H */"
echo "#endif /* __RTE_CONFIG_H */"